{"id":956,"date":"2025-12-05T14:19:16","date_gmt":"2025-12-05T14:19:16","guid":{"rendered":"https:\/\/great-ocean-waterproof.com\/?post_type=product&#038;p=956"},"modified":"2026-01-04T12:13:31","modified_gmt":"2026-01-04T12:13:31","slug":"tpo-thermoplastic-polyolefin-waterproofing-membrane","status":"publish","type":"product","link":"https:\/\/great-ocean-waterproof.com\/en_ca\/product\/tpo-thermoplastic-polyolefin-waterproofing-membrane\/","title":{"rendered":"TPO Thermoplastic Polyolefin Waterproofing Membrane"},"content":{"rendered":"<p><iframe loading=\"lazy\" title=\"TPO Thermoplastic Polyolefin Waterproofing Membrane:\" width=\"1080\" height=\"608\" src=\"https:\/\/www.youtube.com\/embed\/5S-8yzev5Ew?feature=oembed\"  allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<h2>Product Introduction<\/h2>\n<p dir=\"auto\"><a href=\"https:\/\/en.wikipedia.org\/wiki\/Thermoplastic_olefin\" target=\"_blank\" rel=\"noopener\">TPO<\/a> waterproofing membrane is a single-ply roofing and waterproofing sheet made from thermoplastic polyolefin, blending ethylene propylene (EP) rubber with polypropylene through advanced polymerization. Introduced in the U.S. market in the 1980s and refined in the early 1990s, it is designed for flat or low-slope roof applications where mechanical fastening provides secure installation without added plasticizers or chlorine.<\/p>\n<p dir=\"auto\">The material offers stable performance across temperature ranges, resists aging, maintains physical properties, and supports straightforward welding for seam integrity. Compared to traditional options, tpo waterproof membrane provides low thermal flexibility, durability against environmental stress, and compatibility with various substrates. On the upper surface, a light-colored reflective layer reduces heat absorption, aiding energy efficiency without environmental or construction safety concerns.<\/p>\n<p dir=\"auto\">Great Ocean Waterproof produces this rollable tpo waterproof membrane manufacturers using enhanced fiber-reinforced formulations and precise extrusion processes to ensure consistent thickness, weld strength, and long-term water resistance for commercial and industrial projects.<\/p>\n<table style=\"width: 100%;\" border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Thickness(mm)<\/td>\n<td>1.2 \/ 1.5 \/ 1.8 \/ 2.0<\/td>\n<td>Length(m)<\/td>\n<td>25<\/td>\n<td>Width(m)<\/td>\n<td>1.0 \/ 2.0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-959 aligncenter\" src=\"https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/TPO-waterproofing-membrane_1.webp\" alt=\"TPO waterproofing membrane\" width=\"2400\" height=\"1600\" srcset=\"https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/TPO-waterproofing-membrane_1.webp 2400w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/TPO-waterproofing-membrane_1-1280x853.webp 1280w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/TPO-waterproofing-membrane_1-980x653.webp 980w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/TPO-waterproofing-membrane_1-480x320.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 2400px, 100vw\" \/><\/p>\n<h3 dir=\"auto\">Key Features<\/h3>\n<ul dir=\"auto\">\n<li><strong>Hot-air welded seams<\/strong> \u2013 Lap joints are fused using hot air, delivering high peel strength and a continuous, sealed tpo waterproofing membrane layer.<\/li>\n<li><strong>Extended aging resistance<\/strong> \u2013 Formulated without plasticizers for long-term weather and UV stability.<\/li>\n<li><strong>Cold-weather flexibility<\/strong> \u2013 Retains pliability down to -40 \u00b0C, suitable for installation and performance in harsh winter climates.<\/li>\n<li><strong>Chemical &amp; biological resistance<\/strong> \u2013 Withstands exposure to acids, alkalis, salts, and microbial growth.<\/li>\n<li><strong>Puncture resistance<\/strong> \u2013 Dense polymer matrix and robust seam strength provide reliable physical barrier properties.<\/li>\n<li><strong>Energy-efficient surface<\/strong> \u2013 Light-colored finish reflects the majority of solar radiation, lowering roof surface temperature and cooling loads.<\/li>\n<li><strong>Color options<\/strong> \u2013 Available in multiple shades beyond standard light colors to integrate with building aesthetics.<\/li>\n<\/ul>\n<p dir=\"auto\">Great Ocean Waterproof produces tpo membrane waterproofing rolls in standard 1.2 mm, 1.5 mm, and 2.0 mm thicknesses for flat-roof systems.<\/p>\n<div style=\"width: 1080px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-956-1\" width=\"1080\" height=\"608\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/tpo-detail.mp4?_=1\" \/><a href=\"https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/tpo-detail.mp4\">https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/tpo-detail.mp4<\/a><\/video><\/div>\n<h3 dir=\"auto\">Three Types of Great Ocean TPO Waterproofing Membrane<\/h3>\n<div>\n<div dir=\"auto\">\n<div>\n<table style=\"width: 100%;\" border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<thead>\n<tr>\n<th data-col-size=\"md\"><strong>Type<\/strong><\/th>\n<th data-col-size=\"sm\"><strong>Code<\/strong><\/th>\n<th data-col-size=\"lg\"><strong>Structure<\/strong><\/th>\n<th data-col-size=\"xl\"><strong>Primary Application<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td data-col-size=\"md\"><strong>Fabric-Backed<\/strong><\/td>\n<td data-col-size=\"sm\"><strong>TPO L<\/strong><\/td>\n<td data-col-size=\"lg\">TPO sheet laminated to non-woven polyester fleece on the underside<\/td>\n<td data-col-size=\"xl\">Fully adhered systems over concrete, wood, or irregular decks; excellent bond strength with PU foam or low-VOC adhesives.<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"md\"><strong>Homogeneous<\/strong><\/td>\n<td data-col-size=\"sm\"><strong>TPO H<\/strong><\/td>\n<td data-col-size=\"lg\">Single-layer unreinforced TPO sheet<\/td>\n<td data-col-size=\"xl\">Ballasted roofs, mechanically fastened light-duty systems, or protected membrane assemblies (inverted roofs).<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"md\"><strong>Polyester-Reinforced<\/strong><\/td>\n<td data-col-size=\"sm\"><strong>TPO P<\/strong><\/td>\n<td data-col-size=\"lg\">TPO top\/bottom layers with embedded polyester scrim mesh<\/td>\n<td data-col-size=\"xl\">Mechanically fastened high-wind zones; maximum tear and fastener pull-through resistance.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div>All three tpo waterproofing membrane variants are produced in 1.2 mm, 1.5 mm, and 2.0 mm thicknesses, 2\u20133 m widths, and standard white (custom colors on request).<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-971 aligncenter\" src=\"https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/TPO-waterproofing-membrane-types_1.webp\" alt=\"TPO waterproofing membrane types\" width=\"1236\" height=\"1060\" srcset=\"https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/TPO-waterproofing-membrane-types_1.webp 1236w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/TPO-waterproofing-membrane-types_1-480x412.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 1236px, 100vw\" \/><\/p>\n<\/div>\n<\/div>\n<h3>Using standard GB27789-2011<\/h3>\n<table style=\"width: 100%;\" border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<thead>\n<tr>\n<th style=\"width: 2.94118%;\">No.<\/th>\n<th style=\"width: 62.4434%;\" colspan=\"2\">Item<\/th>\n<th style=\"width: 32.9186%;\" colspan=\"3\">Indicator<\/th>\n<\/tr>\n<tr>\n<th style=\"width: 2.94118%;\"><\/th>\n<th style=\"width: 62.4434%;\" colspan=\"2\"><\/th>\n<th style=\"width: 3.50679%;\">H<\/th>\n<th style=\"width: 5.88235%;\">L<\/th>\n<th style=\"width: 23.5294%;\">P<\/th>\n<\/tr>\n<\/thead>\n<tbody><!-- No.1 --><\/p>\n<tr>\n<td style=\"width: 2.94118%;\">1<\/td>\n<td style=\"width: 62.4434%;\" colspan=\"2\">Thickness of resin layer on the middle tire base\/mm \u2265<\/td>\n<td style=\"width: 3.50679%;\">–<\/td>\n<td style=\"width: 5.88235%;\">–<\/td>\n<td style=\"width: 23.5294%;\">0.4<\/td>\n<\/tr>\n<p><!-- No.2 --><\/p>\n<tr>\n<td style=\"width: 2.94118%;\" rowspan=\"4\">2<\/td>\n<td style=\"width: 24.095%;\" rowspan=\"4\">Tensile performance<\/td>\n<td style=\"width: 38.3484%;\">Maximum tensile force\/(N\/cm) \u2265<\/td>\n<td style=\"width: 3.50679%;\">–<\/td>\n<td style=\"width: 5.88235%;\">200<\/td>\n<td style=\"width: 23.5294%;\">250<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 38.3484%;\">tensile strength\/MPa \u2265<\/td>\n<td style=\"width: 3.50679%;\">12.0<\/td>\n<td style=\"width: 5.88235%;\">–<\/td>\n<td style=\"width: 23.5294%;\">–<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 38.3484%;\">Elongation at maximum tension\/% \u2265<\/td>\n<td style=\"width: 3.50679%;\">–<\/td>\n<td style=\"width: 5.88235%;\">–<\/td>\n<td style=\"width: 23.5294%;\">15<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 38.3484%;\">elongation at break\/% \u2265<\/td>\n<td style=\"width: 3.50679%;\">500<\/td>\n<td style=\"width: 5.88235%;\">250<\/td>\n<td style=\"width: 23.5294%;\">–<\/td>\n<\/tr>\n<p><!-- No.3 --><\/p>\n<tr>\n<td style=\"width: 2.94118%;\">3<\/td>\n<td style=\"width: 62.4434%;\" colspan=\"2\">Heat treatment size change rate\/% \u2264<\/td>\n<td style=\"width: 3.50679%;\">2.0<\/td>\n<td style=\"width: 5.88235%;\">1.0<\/td>\n<td style=\"width: 23.5294%;\">0.5<\/td>\n<\/tr>\n<p><!-- No.4 --><\/p>\n<tr>\n<td style=\"width: 2.94118%;\">4<\/td>\n<td style=\"width: 62.4434%;\" colspan=\"2\">Low temperature bending property<\/td>\n<td style=\"width: 32.9186%;\" colspan=\"3\">-40\u00b0C No cracks<\/td>\n<\/tr>\n<p><!-- No.5 --><\/p>\n<tr>\n<td style=\"width: 2.94118%;\">5<\/td>\n<td style=\"width: 62.4434%;\" colspan=\"2\">Impermeability<\/td>\n<td style=\"width: 32.9186%;\" colspan=\"3\">0.3MPa, 2h, waterproof<\/td>\n<\/tr>\n<p><!-- No.6 --><\/p>\n<tr>\n<td style=\"width: 2.94118%;\">6<\/td>\n<td style=\"width: 62.4434%;\" colspan=\"2\">impact resistance<\/td>\n<td style=\"width: 32.9186%;\" colspan=\"3\">0.5kg\u00b7m, waterproof<\/td>\n<\/tr>\n<p><!-- No.7 --><\/p>\n<tr>\n<td style=\"width: 2.94118%;\">7<\/td>\n<td style=\"width: 62.4434%;\" colspan=\"2\">Resistance to static loads<sup>a<\/sup><\/td>\n<td style=\"width: 3.50679%;\">–<\/td>\n<td style=\"width: 5.88235%;\">–<\/td>\n<td style=\"width: 23.5294%;\">20kg, waterproof<\/td>\n<\/tr>\n<p><!-- No.8 --><\/p>\n<tr>\n<td style=\"width: 2.94118%;\">8<\/td>\n<td style=\"width: 62.4434%;\" colspan=\"2\">Joint peel strength\/(N\/mm) \u2265<\/td>\n<td style=\"width: 3.50679%;\">4.0<\/td>\n<td style=\"width: 5.88235%;\">–<\/td>\n<td style=\"width: 23.5294%;\">3.0<\/td>\n<\/tr>\n<p><!-- No.9 --><\/p>\n<tr>\n<td style=\"width: 2.94118%;\">9<\/td>\n<td style=\"width: 62.4434%;\" colspan=\"2\">Right angle tear strength\/(N\/mm) \u2265<\/td>\n<td style=\"width: 3.50679%;\">60<\/td>\n<td style=\"width: 5.88235%;\">–<\/td>\n<td style=\"width: 23.5294%;\">–<\/td>\n<\/tr>\n<p><!-- No.10 --><\/p>\n<tr>\n<td style=\"width: 2.94118%;\">10<\/td>\n<td style=\"width: 62.4434%;\" colspan=\"2\">trapezoid tear strength\/(N) \u2265<\/td>\n<td style=\"width: 3.50679%;\">–<\/td>\n<td style=\"width: 5.88235%;\">250<\/td>\n<td style=\"width: 23.5294%;\">450<\/td>\n<\/tr>\n<p><!-- No.11 --><\/p>\n<tr>\n<td style=\"width: 2.94118%;\">11<\/td>\n<td style=\"width: 62.4434%;\" colspan=\"2\">Water absorption rate\/(70\u00b0C 168h)\/% \u2264<\/td>\n<td style=\"width: 3.50679%;\">4.0<\/td>\n<td style=\"width: 5.88235%;\">4.0<\/td>\n<td style=\"width: 23.5294%;\">4.0<\/td>\n<\/tr>\n<p><!-- No.12 --><\/p>\n<tr>\n<td style=\"width: 2.94118%;\" rowspan=\"7\">12<\/td>\n<td style=\"width: 24.095%;\" rowspan=\"7\">thermal ageing(115\u00b0C)<\/td>\n<td style=\"width: 38.3484%;\">Time\/h<\/td>\n<td style=\"width: 32.9186%;\" colspan=\"3\">672<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 38.3484%;\">appearance<\/td>\n<td style=\"width: 32.9186%;\" colspan=\"3\">No bubbles, cracks, delamination, bonding, or holes<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 38.3484%;\">Maximum tensile retention rate\/% \u2265<\/td>\n<td style=\"width: 3.50679%;\">–<\/td>\n<td style=\"width: 5.88235%;\">90<\/td>\n<td style=\"width: 23.5294%;\">90<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 38.3484%;\">Tensile strength retention rate\/% \u2265<\/td>\n<td style=\"width: 3.50679%;\">90<\/td>\n<td style=\"width: 5.88235%;\">–<\/td>\n<td style=\"width: 23.5294%;\">–<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 38.3484%;\">Elongation retention rate at maximum tension\/% \u2265<\/td>\n<td style=\"width: 3.50679%;\">–<\/td>\n<td style=\"width: 5.88235%;\">–<\/td>\n<td style=\"width: 23.5294%;\">90<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 38.3484%;\">Retention rate of elongation at break\/% \u2265<\/td>\n<td style=\"width: 3.50679%;\">90<\/td>\n<td style=\"width: 5.88235%;\">90<\/td>\n<td style=\"width: 23.5294%;\">–<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 38.3484%;\">Low temperature bending property<\/td>\n<td style=\"width: 32.9186%;\" colspan=\"3\">-40\u00b0C, No cracks<\/td>\n<\/tr>\n<p><!-- No.13 --><\/p>\n<tr>\n<td style=\"width: 2.94118%;\" rowspan=\"6\">13<\/td>\n<td style=\"width: 24.095%;\" rowspan=\"6\">chemical resistance<\/td>\n<td style=\"width: 38.3484%;\">appearance<\/td>\n<td style=\"width: 32.9186%;\" colspan=\"3\">No bubbles, cracks, delamination, bonding, or holes<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 38.3484%;\">Maximum tensile retention rate\/% \u2265<\/td>\n<td style=\"width: 3.50679%;\">–<\/td>\n<td style=\"width: 5.88235%;\">90<\/td>\n<td style=\"width: 23.5294%;\">90<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 38.3484%;\">Tensile strength retention rate\/% \u2265<\/td>\n<td style=\"width: 3.50679%;\">90<\/td>\n<td style=\"width: 5.88235%;\">–<\/td>\n<td style=\"width: 23.5294%;\">–<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 38.3484%;\">Elongation retention rate at maximum tension\/% \u2265<\/td>\n<td style=\"width: 3.50679%;\">–<\/td>\n<td style=\"width: 5.88235%;\">–<\/td>\n<td style=\"width: 23.5294%;\">90<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 38.3484%;\">Retention rate of elongation at break\/% \u2265<\/td>\n<td style=\"width: 3.50679%;\">90<\/td>\n<td style=\"width: 5.88235%;\">90<\/td>\n<td style=\"width: 23.5294%;\">–<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 38.3484%;\">Low temperature bending property<\/td>\n<td style=\"width: 32.9186%;\" colspan=\"3\">-40\u00b0C No cracks<\/td>\n<\/tr>\n<p><!-- No.14 --><\/p>\n<tr>\n<td style=\"width: 2.94118%;\" rowspan=\"7\">14<\/td>\n<td style=\"width: 24.095%;\" rowspan=\"7\">Artificial climate accelerates aging<\/td>\n<td style=\"width: 38.3484%;\">Time\/h<\/td>\n<td style=\"width: 32.9186%;\" colspan=\"3\">1500<sup>a<\/sup><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 38.3484%;\">appearance<\/td>\n<td style=\"width: 32.9186%;\" colspan=\"3\">No bubbles, cracks, delamination, bonding, or holes<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 38.3484%;\">Maximum tensile retention rate\/% \u2265<\/td>\n<td style=\"width: 3.50679%;\">–<\/td>\n<td style=\"width: 5.88235%;\">90<\/td>\n<td style=\"width: 23.5294%;\">90<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 38.3484%;\">Tensile strength retention rate\/% \u2265<\/td>\n<td style=\"width: 3.50679%;\">90<\/td>\n<td style=\"width: 5.88235%;\">–<\/td>\n<td style=\"width: 23.5294%;\">–<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 38.3484%;\">Elongation retention rate at maximum tension\/% \u2265<\/td>\n<td style=\"width: 3.50679%;\">–<\/td>\n<td style=\"width: 5.88235%;\">–<\/td>\n<td style=\"width: 23.5294%;\">90<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 38.3484%;\">Retention rate of elongation at break\/% \u2265<\/td>\n<td style=\"width: 3.50679%;\">90<\/td>\n<td style=\"width: 5.88235%;\">90<\/td>\n<td style=\"width: 23.5294%;\">–<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 38.3484%;\">Low temperature bending property<\/td>\n<td style=\"width: 32.9186%;\" colspan=\"3\">-40\u00b0C No cracks<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"note\"><sup>a<\/sup> Static load resistance is only required for rolls used for roofing. The artificial climate accelerated aging time for the single-layer roll roofing product is 2500 hours.<\/div>\n<h3 class=\"text-xl\" dir=\"auto\">Applications<\/h3>\n<ul class=\"marker:text-secondary\" dir=\"auto\">\n<li class=\"break-words whitespace-pre-wrap [&amp;&gt;ul]:whitespace-normal [&amp;&gt;ol]:whitespace-normal\"><strong class=\"font-semibold\">Flat and low-slope roofs<\/strong> \u2013 Primary use on industrial warehouses, commercial retail centers, office buildings, hospitals, schools, and other public facilities requiring durable single-ply <strong class=\"font-semibold\">tpo waterproofing membrane<\/strong> systems.<\/li>\n<li class=\"break-words whitespace-pre-wrap [&amp;&gt;ul]:whitespace-normal [&amp;&gt;ol]:whitespace-normal\"><strong class=\"font-semibold\">Mechanically fastened systems<\/strong> \u2013 Enhanced (reinforced) rolls install with screws and plates in the seam overlap, ideal for steel decks or lightweight concrete where wind uplift resistance is critical.<\/li>\n<li class=\"break-words whitespace-pre-wrap [&amp;&gt;ul]:whitespace-normal [&amp;&gt;ol]:whitespace-normal\"><strong class=\"font-semibold\">Fully adhered systems<\/strong> \u2013 Fleece-backed rolls bond directly to the substrate using low-VOC contact adhesives or polyurethane foam, suited for irregular decks, wood, or retrofit over existing membranes.<\/li>\n<li class=\"break-words whitespace-pre-wrap [&amp;&gt;ul]:whitespace-normal [&amp;&gt;ol]:whitespace-normal\"><strong class=\"font-semibold\">Ballasted systems<\/strong> \u2013 Standard homogeneous rolls support river-washed stone or pavers as ballast, commonly specified for large-area tpo <a href=\"https:\/\/en.wikipedia.org\/wiki\/Membrane_roofing\" target=\"_blank\" rel=\"noopener\">waterproof membrane roofs<\/a> with minimal penetrations.<\/li>\n<li class=\"break-words whitespace-pre-wrap [&amp;&gt;ul]:whitespace-normal [&amp;&gt;ol]:whitespace-normal\"><strong class=\"font-semibold\">Green roof and blue roof assemblies<\/strong> \u2013 Compatible root-barrier layers allow TPO to serve as the base waterproofing under extensive or intensive vegetation systems.<\/li>\n<\/ul>\n<p class=\"break-words\" dir=\"auto\">Great Ocean supplies all three roll types (homogeneous, reinforced, fleece-backed) in 1.2\u20132.0 mm thicknesses to match project design and local code requirements.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-960 aligncenter\" src=\"https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/TPO-waterproofing-membrane-application_1.webp\" alt=\"TPO waterproofing membrane application\" width=\"2245\" height=\"1587\" srcset=\"https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/TPO-waterproofing-membrane-application_1.webp 2245w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/TPO-waterproofing-membrane-application_1-1280x905.webp 1280w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/TPO-waterproofing-membrane-application_1-980x693.webp 980w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/TPO-waterproofing-membrane-application_1-480x339.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 2245px, 100vw\" \/><\/p>\n<h2 dir=\"auto\">TPO vs. EPDM Waterproofing Membranes<\/h2>\n<div>\n<div>\n<div>\n<table style=\"width: 100%;\" border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<thead>\n<tr>\n<th data-col-size=\"sm\"><strong>Aspect<\/strong><\/th>\n<th data-col-size=\"lg\"><strong>TPO Waterproofing Membrane<\/strong><\/th>\n<th data-col-size=\"lg\"><strong>EPDM Waterproof Membrane<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td data-col-size=\"sm\"><strong>Material Base<\/strong><\/td>\n<td data-col-size=\"lg\">Thermoplastic polyolefin \u2013 blend of polypropylene and ethylene-propylene rubber with polyester scrim reinforcement.<\/td>\n<td data-col-size=\"lg\">Ethylene propylene diene monomer \u2013 thermoset synthetic rubber, typically reinforced with polyester or fiberglass.<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\"><strong>Seam Method<\/strong><\/td>\n<td data-col-size=\"lg\">Hot-air welded seams create a monolithic, thermoplastic bond that fuses the sheets.<\/td>\n<td data-col-size=\"lg\">Adhesive tapes or liquid adhesives; seams remain mechanical joints, not molecular.<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\"><strong>Color &amp; Heat Reflectance<\/strong><\/td>\n<td data-col-size=\"lg\">Standard white surface reflects 75\u201385% of solar radiation (Cool Roof rated); reduces urban heat island effect.<\/td>\n<td data-col-size=\"lg\">Black standard; white-coated versions exist but add a field-applied layer that can wear.<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\"><strong>Installation Temp<\/strong><\/td>\n<td data-col-size=\"lg\">Can be installed in colder weather (down to 20\u00b0F\/-7\u00b0C) because welding equipment generates its own heat.<\/td>\n<td data-col-size=\"lg\">Requires ambient temps above 40\u00b0F\/4\u00b0C for most adhesives; cold-weather tapes available but slower.<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\"><strong>Flexibility at Low Temp<\/strong><\/td>\n<td data-col-size=\"lg\">Stiffens below 0\u00b0F\/-18\u00b0C; may require extra care in extreme cold climates.<\/td>\n<td data-col-size=\"lg\">Remains flexible to -50\u00b0F\/-45\u00b0C; ideal for freeze-thaw regions.<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\"><strong>Chemical Resistance<\/strong><\/td>\n<td data-col-size=\"lg\">Good resistance to oils, grease, and most rooftop chemicals; compatible with restaurant exhaust.<\/td>\n<td data-col-size=\"lg\">Excellent resistance to acids, polar solvents, and animal fats; widely used on food-processing plants.<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\"><strong>UV &amp; Ozone Aging<\/strong><\/td>\n<td data-col-size=\"lg\">5,000\u20138,000 hours accelerated UV testing; long-term color stability in white versions.<\/td>\n<td data-col-size=\"lg\">10,000+ hours; black surface absorbs UV but does not degrade mechanically.<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\"><strong>Roll Size &amp; Weight<\/strong><\/td>\n<td data-col-size=\"lg\">10 ft \u00d7 100 ft (1,000 sq ft) common; 45\u201360 mil thick weighs ~0.3 lb\/sq ft.<\/td>\n<td data-col-size=\"lg\">10\u201350 ft widths, up to 200 ft lengths; 45\u201360 mil weighs ~0.3 lb\/sq ft.<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\"><strong>Repair<\/strong><\/td>\n<td data-col-size=\"lg\">Patch with same TPO and hot-air weld; seamless integration.<\/td>\n<td data-col-size=\"lg\">Patch with uncured EPDM and primer\/tape; seam remains visible and mechanical.<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\"><strong>Recyclability<\/strong><\/td>\n<td data-col-size=\"lg\">Thermoplastic \u2013 can be reground and reused in lower-grade products.<\/td>\n<td data-col-size=\"lg\">Thermoset \u2013 not recyclable; sent to landfill at end of life.<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\"><strong>Typical Warranty<\/strong><\/td>\n<td data-col-size=\"lg\">20\u201330 years (material + labor) from tpo waterproofing membrane manufacturers when installed per spec.<\/td>\n<td data-col-size=\"lg\">20\u201330 years material; labor coverage varies.<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\"><strong>Cost (Material Only)<\/strong><\/td>\n<td data-col-size=\"lg\">$0.70\u2013$1.10 per sq ft (45\u201360 mil white).<\/td>\n<td data-col-size=\"lg\">$0.60\u2013$0.90 per sq ft (45\u201360 mil black).<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<div dir=\"auto\">\n<div><\/div>\n<\/div>\n<\/div>\n<h3 dir=\"auto\">Quick Takeaway<\/h3>\n<ul dir=\"auto\">\n<li>Choose <strong>TPO<\/strong> for energy-efficient, white roofs in warm or temperate climates where hot-air welding speed and recyclability matter.<\/li>\n<li>Choose <strong>EPDM<\/strong> for dark roofs, extreme cold flexibility, or projects with heavy chemical exposure where proven 40+ year track records outweigh seam strength.<\/li>\n<\/ul>\n<p dir=\"auto\">Great Ocean Waterproof supplies both systems and matches membrane type to project conditions.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-961 aligncenter\" src=\"https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/TPO-waterproofing-membrane_1-1.webp\" alt=\"TPO waterproofing membrane\" width=\"2400\" height=\"1600\" srcset=\"https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/TPO-waterproofing-membrane_1-1.webp 2400w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/TPO-waterproofing-membrane_1-1-1280x853.webp 1280w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/TPO-waterproofing-membrane_1-1-980x653.webp 980w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/TPO-waterproofing-membrane_1-1-480x320.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 2400px, 100vw\" \/><\/p>\n<h3 dir=\"auto\">Customer Reviews<\/h3>\n<p dir=\"auto\"><strong>John M. \u2013 Roofing Contractor, Chicago, USA<\/strong> <em>\u201cInstalled 28,000 sq ft on a warehouse retrofit last winter. The hot-air welder worked flawlessly at 15 \u00b0F (-9 \u00b0C) and seams tested 100 % watertight with vacuum box. White surface dropped roof temp by 22 \u00b0F compared to the old black EPDM. Client saw 18 % lower AC bills this summer.\u201d<\/em><\/p>\n<p dir=\"auto\"><strong>Maria S. \u2013 Facility Manager, S\u00e3o Paulo, Brazil<\/strong> <em>\u201cWe chose the 1.5 mm gray TPO for a shopping mall expansion. The color matched the existing fa\u00e7ade and the roll weight (0.29 lb\/sq ft) let the crew cover 1,200 m\u00b2 per day with a four-man team. No leaks after two rainy seasons and the local health inspector passed the roof for food-court exhaust proximity.\u201d<\/em><\/p>\n<p dir=\"auto\"><strong>Ahmed R. \u2013 Project Engineer, Dubai, UAE<\/strong> <em>\u201cSpecified 60-mil TPO for a 45,000 m\u00b2 logistics center. The light reflectance kept surface below 70 \u00b0C on 48 \u00b0C days\u2014critical for our solar-panel array above. Zero seam failures in 24 months despite wind gusts to 110 km\/h. Great Ocean\u2019s technical rep flew in for the first weld test; very professional.\u201d<\/em><\/p>\n<p dir=\"auto\"><strong>Lars K. \u2013 Building Owner, Oslo, Norway<\/strong> <em>\u201cReplaced 30-year-old felt on a school gym. The -40 \u00b0C flexibility rating gave us confidence for Nordic winters. Installed in November without heaters. Kids are back playing basketball and the roof still looks brand-new after two snow cycles. Warranty paperwork was straightforward.\u201d<\/em><\/p>\n<p dir=\"auto\"><strong>Sophie L. \u2013 Architect, Vancouver, Canada<\/strong> <em>\u201cUsed the 1.2 mm TPO on a mixed-use mid-rise. The range of colors let us satisfy the city\u2019s urban-design panel while keeping SRI above 78. Mechanically fastened system went down fast over concrete deck. No callbacks in 18 months and the owner loves the lower energy invoices.\u201d<\/em><\/p>\n<p dir=\"auto\"><strong>Rajesh P. \u2013 Distributor, Mumbai, India<\/strong> <em>\u201cStocked 40 rolls of 2.0 mm for monsoon-prone coastal projects. Customers report zero water ingress even on terraces with heavy foot traffic. The puncture resistance holds up against construction debris better than the PVC we used to carry. Re-order cycle is now every 3 weeks.\u201d<\/em><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-962 aligncenter\" src=\"https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/customer-feedback_1.webp\" alt=\"customer feedback\" width=\"2245\" height=\"1587\" srcset=\"https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/customer-feedback_1.webp 2245w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/customer-feedback_1-1280x905.webp 1280w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/customer-feedback_1-980x693.webp 980w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/customer-feedback_1-480x339.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 2245px, 100vw\" \/><\/p>\n<h3 class=\"text-xl\" dir=\"auto\">FAQ<\/h3>\n<p class=\"break-words\" dir=\"auto\"><strong class=\"font-semibold\">Q: What is the difference between 45-mil, 60-mil, and 80-mil TPO?<\/strong>\u00a0A: Thickness drives warranty length and puncture resistance. 45-mil is standard for low-traffic roofs with 20-year warranties. 60-mil is the most common for commercial projects with 25\u201330-year coverage. 80-mil is specified for high-traffic, high-wind, or heavy-ballast systems.<\/p>\n<p class=\"break-words\" dir=\"auto\"><strong class=\"font-semibold\">Q: Can TPO be installed directly over an old built-up roof?<\/strong>\u00a0A: Yes, in a recover application. Remove loose gravel, repair blisters, and install a cover board or separation layer. Fully adhered fleece-back TPO is preferred for uneven substrates.<\/p>\n<p class=\"break-words\" dir=\"auto\"><strong class=\"font-semibold\">Q: Does the white surface yellow over time?<\/strong>\u00a0A: No. Our TPO contains UV stabilizers and no plasticizers. SRI remains above 78 after 3 years of xenon-arc aging per ASTM G155.<\/p>\n<p class=\"break-words\" dir=\"auto\"><strong class=\"font-semibold\">Q: What is the coldest temperature for welding seams?<\/strong>\u00a0A: Hot-air welders operate down to 20 \u00b0F (-7 \u00b0C). Below that, preheat the overlap with a heat gun to 50 \u00b0F (10 \u00b0C) for 30 seconds before welding.<\/p>\n<p class=\"break-words\" dir=\"auto\"><strong class=\"font-semibold\">Q: Is TPO compatible with rooftop grease exhaust?<\/strong>\u00a0A: Yes. The polymer resists animal fats and oils. Install a grease-guard walkway pad around kitchen vents for foot traffic.<\/p>\n<p class=\"break-words\" dir=\"auto\"><strong class=\"font-semibold\">Q: How do I clean the membrane if it gets dirty?<\/strong>\u00a0A: Low-pressure water (under 1,000 psi) and mild detergent. Avoid petroleum solvents, citrus cleaners, or abrasive pads.<\/p>\n<p class=\"break-words\" dir=\"auto\"><strong class=\"font-semibold\">Q: What wind-uplift ratings can Great Ocean TPO achieve?<\/strong>\u00a0A: FM 1-90 to 1-180 depending on fastener pattern, deck type, and perimeter enhancement. Submit deck drawings for a custom layout.<\/p>\n<p class=\"break-words\" dir=\"auto\"><strong class=\"font-semibold\">Q: Is the membrane root-resistant for green roofs?<\/strong>\u00a0A: Standard TPO is not root-resistant. Pair it with a dedicated root-barrier layer (HDPE or copper-foil) under the drainage board.<\/p>\n<p class=\"break-words\" dir=\"auto\"><strong class=\"font-semibold\">Q: What is the lead time for non-white colors?<\/strong>\u00a0A: White and light gray ship in 5\u20137 days. Tan, custom gray, or specialty colors require 3\u20134 weeks minimum order of 20 rolls.<\/p>\n<p class=\"break-words\" dir=\"auto\"><strong class=\"font-semibold\">Q: Does Great Ocean provide a labor + material warranty?<\/strong> A: Yes, up to 30 years when installed by a certified contractor and inspected. Material-only warranties are also available.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-963 aligncenter\" src=\"https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/great-ocean-waterproof-factory4_1.webp\" alt=\"great ocean waterproof factory\" width=\"2245\" height=\"1587\" srcset=\"https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/great-ocean-waterproof-factory4_1.webp 2245w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/great-ocean-waterproof-factory4_1-1280x905.webp 1280w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/great-ocean-waterproof-factory4_1-980x693.webp 980w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/great-ocean-waterproof-factory4_1-480x339.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 2245px, 100vw\" \/><\/p>\n<h3 dir=\"auto\">About Great Ocean Waterproof Technology Co., Ltd.<\/h3>\n<p dir=\"auto\">Great Ocean Waterproof Technology Co., Ltd. (formerly Weifang Great Ocean New Waterproof Materials Co., Ltd.) is headquartered in Tai Tou Town, Shouguang City\u2014China\u2019s leading hub for waterproofing materials. Founded in 1999, our 26,000 m\u00b2 integrated manufacturing campus houses advanced production lines for TPO waterproofing membrane systems and a full portfolio of complementary waterproofing solutions.<\/p>\n<h4 dir=\"auto\">Core Product Lines<\/h4>\n<ul dir=\"auto\">\n<li><strong>TPO Waterproofing Membrane<\/strong> \u2013 Extruded 1.2\u20132.0 mm homogeneous, reinforced, and fleece-backed rolls with hot-air weldable seams and high UV stability.<\/li>\n<li><strong>PVC Waterproof Membrane<\/strong> \u2013 Internally reinforced sheets for tunnels, basements, and potable water containment.<\/li>\n<li><strong>Polyethylene-Polypropylene (PE\/PP) Polymer Composite Membrane<\/strong> \u2013 Fiber-backed rolls for below-grade and green-roof applications.<\/li>\n<li><strong>CPE Waterproof Membrane<\/strong> \u2013 High-speed-rail certified chlorinated polyethylene sheets for infrastructure.<\/li>\n<li><strong>SBS\/APP Modified Bitumen Membranes<\/strong> \u2013 Torch-applied or self-adhesive cap sheets with root-resistant grades.<\/li>\n<li><strong>Self-Adhesive HDPE Pre-Applied Membranes<\/strong> \u2013 Reaction-bonding rolls for blind-side waterproofing.<\/li>\n<li><strong>Cross-Laminated HDPE Reaction-Stick Film<\/strong> \u2013 High-strength, post-applied vertical\/horizontal barrier.<\/li>\n<li><a href=\"https:\/\/great-ocean-waterproof.com\/en_ca\/product-category\/waterproof-coating\/\"><strong>Waterproof Coatings<\/strong><\/a> \u2013 Single- and two-component polyurethane, JS polymer-cement, spray-applied rubber asphalt, non-curing creep compound, and 951 water-based polyurethane systems.<\/li>\n<li><strong>Specialty Tapes &amp; Accessories<\/strong> \u2013 Butyl rubber, asphalt, and high-elastic liquid-applied flashings.<\/li>\n<\/ul>\n<h4 dir=\"auto\">Manufacturing &amp; Quality Control<\/h4>\n<ul dir=\"auto\">\n<li>20+ automated lines with in-line thickness scanners, polymer compounding, and lamination units.<\/li>\n<li>Full laboratory with ASTM\/GB test equipment: tensile, peel, hydrostatic, low-temp flexibility, and accelerated weathering.<\/li>\n<li>ISO 9001 certified; products carry China Industrial Product License and national authority quality approvals.<\/li>\n<\/ul>\n<h4 dir=\"auto\">Market Reach<\/h4>\n<p dir=\"auto\">Domestic sales cover 20+ provinces; export volumes serve North America, Middle East, Southeast Asia, and Europe. On-site technical support includes weld training, mock-ups, and system design for TPO waterproof membrane and hybrid installations.<\/p>\n<p dir=\"auto\">Great Ocean operates under a \u201cwin-win\u201d philosophy\u2014delivering reliable, code-compliant materials at competitive prices with responsive service.<\/p>\n<p><iframe loading=\"lazy\" title=\"TPO Membrane Factory: Extrusion, Lamination &amp; Quality Testing Explained\" width=\"1080\" height=\"608\" src=\"https:\/\/www.youtube.com\/embed\/bk6mye7McCY?feature=oembed\"  allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p dir=\"auto\">Great Ocean Waterproof specializes in TPO Thermoplastic Polyolefin Waterproofing Membrane, manufactured at our factory in Shandong Province, China. As a dedicated manufacturer, we focus on producing reliable tpo membrane waterproofing materials that meet industry standards for durability and performance. Our tpo waterproof membrane features a single-ply construction with reinforced layers, offering resistance to UV exposure, chemicals, and punctures, making it suitable for commercial roofing, pond liners, and underground waterproofing projects. We emphasize practical price structures based on volume and specifications, ensuring accessibility for various construction needs without unnecessary complexity. This product is available in standard widths and thicknesses, with options for heat-weldable seams to facilitate efficient installation. For more details on applications or customization, contact us directly.<\/p>","protected":false},"featured_media":964,"template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[23],"product_tag":[],"class_list":{"0":"post-956","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-waterproofing-membrane","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/great-ocean-waterproof.com\/en_ca\/wp-json\/wp\/v2\/product\/956","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/great-ocean-waterproof.com\/en_ca\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/great-ocean-waterproof.com\/en_ca\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/great-ocean-waterproof.com\/en_ca\/wp-json\/wp\/v2\/media\/964"}],"wp:attachment":[{"href":"https:\/\/great-ocean-waterproof.com\/en_ca\/wp-json\/wp\/v2\/media?parent=956"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/great-ocean-waterproof.com\/en_ca\/wp-json\/wp\/v2\/product_brand?post=956"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/great-ocean-waterproof.com\/en_ca\/wp-json\/wp\/v2\/product_cat?post=956"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/great-ocean-waterproof.com\/en_ca\/wp-json\/wp\/v2\/product_tag?post=956"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}